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Revisiting the innermost kinematics of M31 galaxy with the OMM Fabry-Perot interferometer

Published online by Cambridge University Press:  14 May 2020

Sié Zacharie Kam Open the ORCID record for Sié Zacharie Kam [Opens in a new window] ,
Claude Carignan Open the ORCID record for Claude Carignan [Opens in a new window] ,
Michel Marcelin ,
Philippe Amram  and
Jean Koulidiati
Sié Zacharie Kam
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, [email protected]
Claude Carignan
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, [email protected] Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa, [email protected] Laboratoire d’Astrophysique Expérimentale (LAE), Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
Michel Marcelin
Affiliation:
Laboratoire d’Astrophysique de Marseille, Aix Marseille Univ, CNRS, Pôle de l’Étoile Site de Château-Gombert 38, rue Frédéric Joliot-Curie 13388 Marseille cedex 13 FRANCE
Philippe Amram
Affiliation:
Laboratoire d’Astrophysique Expérimentale (LAE), Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
Jean Koulidiati
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, [email protected]
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Abstract

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We present observations on optical emission lines acquired with the scanning Fabry-Perot interferometer of the observatoire du Mont Mégantic, of the Andromeda galaxy (M31). A 765 order Fabry-Perot were used with a fast readout EM-CCD. From data obtained, kinematic maps and data points for the rotation curve of the innermost part of the galaxy are derived. Several dozen of regions have been scanned with the Fabry-Perot interferometer and narrow band interference filters. The central 10’x10’ were scanned with five different filters. Observations have been made in order to get better Hα data for kinematics purposes.

Keywords

galaxies: individual (Andromeda)galaxies: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S353: Galactic Dynamics in the Era of Large Surveys , June 2019 , pp. 130 - 133
Copyright
© International Astronomical Union 2020

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